Canson C199-7140 / C199-7141 / C199-7142 Features: -Art board. -Artist Series collection. -Offers luminous white, fine-textured surface perfect for detailed working pen, pencil, or colored pencil. -Sturdy and erasable. Specifications: -16" x 20" Art board dimensions: 20" H x 16" W x .65" D. -20" x 30" Art board dimensions: 30" H x 20" W x .07" D. -32" x 40" Art board dimensions: 40" H x 32" W x .07" D. Size: 16" x 20"